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Ratling [72]
3 years ago
12

what information do you need to create a cylinder, a sphere, and a pyramid that all have the same volume?

Mathematics
1 answer:
NNADVOKAT [17]3 years ago
8 0

Answer:

h=4/3 r Base area  =27(pi)/16 h^2

Step-by-step explanation:

The Volume of the following solids are

Cylinder: (pi)r^2 h

Sphere:4/3 (pi) r^3

Pyramid: 1/3(base area) h

Assuming that the Volume is the same in all three solids

(pi)r^2 h= 4/3 (pi) r^3

Simplify

h=4/3 r

(pi) r^2 h= 1/3(Base area)h

Simplify

(pi) r^2= 1/3 base area

substitute r=3/4 h

(pi) 9/16 h^2=1/3 base area

Base area  =27(pi)/16 h^2

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Sally earns per hour = $12

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A. How much does she earn each week ? Sally earns $192 in a week.

B. How much money will she save each week? Sally will save $38.40 each week.

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Number of months needed to collect this amount =

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Hence, it will take 11 months approx to save $1800.



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insens350 [35]

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Step-by-step explanation:

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